Text to Image

POST

/api/v1/task

This is provided as part of the Flux API from Qubico.
Available models:

Qubico/flux1-dev

Qubico/flux1-schnell

Qubico/flux1-dev-advanced

Check Flux with LoRA and Controlnet to learn how to send Flux tasks with LoRA and ControlNet.
Check Flux with Redux and Fill to learn how to send Flux tasks for variation, inpaint, and outpaint.

Below is an example of a text-to-image request and response.

Request

Header Params

Body Params application/json

Examples

Responses

🟢200Success

application/json

Body

Request Example

Shell

JavaScript

Java

Swift

curl --location --request POST '/api/v1/task' \
--header 'X-API-Key;' \
--header 'Content-Type: application/json' \
--data-raw '{
    "model": "Qubico/flux1-dev",
    "task_type": "txt2img",
    "input": {
        "prompt": "a little cat",
        "width": 1024, 
        "height": 1024
    } 
}'

Response Example

{
    "code": 200,
    "message": "success",
    "data": {
        "task_id": "0f647527-12bd-48b1-b813-111111111",
        "model": "Qubico/flux1-dev", 
        "task_type": "txt2img",
        "status": "", // pending/processing/failed/completed
        "input": {}, 
        "output": {}, 
        "meta": { 
        },
        "logs": [],
        "error": {
            "code": 1100,
            "message": ""
        } 
    }
}

Modified at 2025-12-04 05:10:59

Kontext

Image to Image